com.google.javascript.jscomp.js.es6.object.getownpropertysymbols.js Maven / Gradle / Ivy
/*
* Copyright 2016 The Closure Compiler Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'require util/polyfill';
$jscomp.polyfill('Object.getOwnPropertySymbols', function(orig) {
if (orig) return orig;
// NOTE: The symbol polyfill is a string, so symbols show up in
// Object.getOwnProperytyNames instead. It's been decided that
// the trade-off of "fixing" this behavior is not worth the costs
// in (a) code size, (b) brittleness, and (c) complexity.
return function() { return []; };
}, 'es6', 'es5'); // Same as Object.getOwnPropertyNames